The initial release in Revit 2020 Path of Travel and Follow Up and the improvements in 2020.1 actually gave us a feature that was unusable in almost every situation.
It still has a number of limitations but at last we can make use of it to some degree. What makes the big difference is the ability to add "Waypoints" anywhere along the path of travel.
You may remember (from my earlier descriptions) that when you place a 'Path of Treavel' by clicking the start and end points, Revit calculates the path for you - and you had little control over that, apart from choosing which elements form obstructions (or not). Hence, in the standard Autodesk sample file, the path calculation was not able to determine that a sofa at a lower level should still be an obstruction:
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| Path or travel in v2020 |
In 2020.2, the calculation seems to have been slightly rationalised to give a more sensible path through the corridor to the north, but it still goes over the sofa in the split-level living area.
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| Path of Travel in 2020.2 |
Add Waypoints
We now have the ability to add (or remove) 'Waypoints' - this allows us to nudge the path to a more sensible course around the sofa.
If you need to make your path of travel orthogonal (as required in some jurisdictions), it can be done by adding enough waypoints - rather laborious but at least it works.
This is a very welcome addition to this feature. However, it is still taking longer than the Daleks to learn how to manage stairs and changes of level in the building.
There is still no way to control the minimum width of a gap between obstacles (about 430mm or 17")
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